How to exchange or refund in-store credit

1. Go to POS
2. go to ‘previous sales’
3. Find the sale you are refunding/exchanging
4. Click on the REFUND/EXCHANGE button
5. now click on ‘gift card’ under the search box
6. Click on NEW and fill up the details
7. Click OK
8. Now you should have the gift card in your sale. 

The customer will get a receipt with the barcode. This barcode contains the amount. All credits are in the system, so even if they lose it, not a problem.